2949791 has 4 divisors (see below), whose sum is σ = 3176712. Its totient is φ = 2722872.

The previous prime is 2949763. The next prime is 2949797. The reversal of 2949791 is 1979492.

It is a happy number.

2949791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2949791 - 2¹⁸ = 2687647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2949797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113441 + ... + 113466.

It is an arithmetic number, because the mean of its divisors is an integer number (794178).

2^2949791 is an apocalyptic number.

2949791 is a deficient number, since it is larger than the sum of its proper divisors (226921).

2949791 is a wasteful number, since it uses less digits than its factorization.

2949791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226920.

The product of its digits is 40824, while the sum is 41.

The square root of 2949791 is about 1717.4955604018. The cubic root of 2949791 is about 143.4158271595.

Subtracting from 2949791 its reverse (1979492), we obtain a cube (970299 = 99³).

The spelling of 2949791 in words is "two million, nine hundred forty-nine thousand, seven hundred ninety-one".